Update the DummySerial to behave more like the HardwareSerial in the arduino codebase
Make the stages in getting an argument more explicit
Allow / as a terminator after an argument
Removed TestMethod
added a error method on MiniRPCMethod which is called if an error occurs
while parsing arguments
Added an EndState for debugging purposes
Removed the read() call after a peek() if it returns -1, this was needed when
the DummySerial mistakenly pushed a -1 back on its buffer when it was peeked.
Added some output methods
Test for availability before reading
Return instead of exit
Update makefile for test
added python test script for use with an arduino
Added an example to the library
Added a minimalistic keywords file